针对双主动桥DC-DC变换器(DAB)的模块化直流变压器,我公司在新型双有源DC-DC拓扑直流变压器进行设计应用,开展了适用于IGCT-Plus作为模组开关器件的直流变压器试验,实现不同电压等级的直流系统的互联,为不同直流负荷提供稳定的直流电压,试验中该直流变压器存在各支路电流长期不平衡流动,会严重影响直流变压器及整个电力系统的长期稳定运行。根据以往工程经验,通过加装均流磁环可对直流变压器低压侧各支路进行均流,均衡三条并联支路的输出特性,防止某一路长期电流应力过大,造成器件老化损坏 ...
韩迪 +5 more
doaj
[Research advances on hepatic encephalopathy following transjugular intrahepatic portosystemic shunt]. [PDF]
Ye JJ, Pan YL, Wang J, Lyu Y.
europepmc +1 more source
[Master manipulator of vascular intervention surgical robot based on haptic feedback]. [PDF]
Han G, Sun Z, Tang X.
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为尽快地发展我国的直流输电事业,一机部、水电部要求在陕西省建立一条100千伏的直流输电试验线路。一九七一年下半年,在陕西省机械局、陕西省电管局的直接领导下,组成了直流输电研究小组。 用可控硅组成直流输电所必需的换流阀,是目前发展直流输电的一个新方向 ...
doaj
[Current status and future perspectives of precision treatment for locally advanced rectal cancer]. [PDF]
Gao J, Zhang Z.
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[Impact of surgeon's dominant hand-side consistency with surgical approach on operational efficiency of unilateral biportal endoscopic lumbar discectomy: a prospective cohort study]. [PDF]
Li W, Gao M, Zhang L, Yu Q, Chen X.
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[Advances in the Application of Artificial Intelligence in Clinical Microbiological Testing]. [PDF]
Li H, Song Z, Zhao Y, Li M.
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[Structural design and mechanical analysis of a "drum-shaped" balloon-expandable valve stent in expanded configuration]. [PDF]
Zhao Y +5 more
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[Analysis of the disease burden of Burkitt lymphoma in China from 1990 to 2021]. [PDF]
Zheng CH +8 more
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